#include <iostream>
#include <opencv2/highgui.hpp>
using namespace cv;

int main(){
    Mat img = imread("./WinFlower.png");
    std::cout << "1\n";
    std::cout << "2\n";
    std::cout << "3\n";
    std::cout << "4\n";
    imshow("WinFlower:", img);
    waitKey(0);
    std::cout << "If you see here,that means there's no error!\n";
    return 0;
}